Files
openfoodnetwork/spec/models/spree/order_contents_spec.rb
2020-09-17 14:06:50 +01:00

93 lines
2.4 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
describe Spree::OrderContents do
let(:order) { Spree::Order.create }
subject { described_class.new(order) }
context "#add" do
let(:variant) { create(:variant) }
context 'given quantity is not explicitly provided' do
it 'should add one line item' do
line_item = subject.add(variant)
expect(line_item.quantity).to eq 1
expect(order.line_items.size).to eq 1
end
end
it 'should add line item if one does not exist' do
line_item = subject.add(variant, 1)
expect(line_item.quantity).to eq 1
expect(order.line_items.size).to eq 1
end
it 'should update line item if one exists' do
subject.add(variant, 1)
line_item = subject.add(variant, 1)
expect(line_item.quantity).to eq 2
expect(order.line_items.size).to eq 1
end
it "should update order totals" do
expect(order.item_total.to_f).to eq 0.00
expect(order.total.to_f).to eq 0.00
subject.add(variant, 1)
expect(order.item_total.to_f).to eq 19.99
expect(order.total.to_f).to eq 19.99
end
end
context "#remove" do
let(:variant) { create(:variant) }
context "given an invalid variant" do
it "raises an exception" do
expect {
subject.remove(variant, 1)
}.to raise_error(ActiveRecord::RecordNotFound)
end
end
context 'given quantity is not explicitly provided' do
it 'should remove one line item' do
line_item = subject.add(variant, 3)
subject.remove(variant)
expect(line_item.reload.quantity).to eq 2
end
end
it 'should reduce line_item quantity if quantity is less the line_item quantity' do
line_item = subject.add(variant, 3)
subject.remove(variant, 1)
expect(line_item.reload.quantity).to eq 2
end
it 'should remove line_item if quantity matches line_item quantity' do
subject.add(variant, 1)
subject.remove(variant, 1)
expect(order.reload.find_line_item_by_variant(variant)).to be_nil
end
it "should update order totals" do
expect(order.item_total.to_f).to eq 0.00
expect(order.total.to_f).to eq 0.00
subject.add(variant, 2)
expect(order.item_total.to_f).to eq 39.98
expect(order.total.to_f).to eq 39.98
subject.remove(variant, 1)
expect(order.item_total.to_f).to eq 19.99
expect(order.total.to_f).to eq 19.99
end
end
end